This 1975 image released by William Morrow shows author Robert M. Pirsig working on a motorcycle. Pirsig, whose novel “Zen and the Art of Motorcycle Maintenance” became a million-selling classic after more than 100 publishers turned it down, died at his home in South Benwick, Maine on Monday, April 24, 2017. He was 88. (William Morrow via AP)
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